code: def cluster_sample8():
      template_clustering(
          SIMPLE_SAMPLES.SAMPLE_SIMPLE8,
          count_clusters=4,
          chromosome_count=50,
          population_count=200,
          count_mutation_gens=2,
          coeff_mutation_count=0.15,
          select_coeff=1.0,
      )
  
file_path: pyclustering/pyclustering/cluster/examples/ga_examples.py
imports: from pyclustering.samples.definitions import SIMPLE_SAMPLES
  from pyclustering.cluster.ga import genetic_algorithm, ga_observer, ga_visualizer
  from pyclustering.utils import read_sample
  import time
label_desc: Use image node_id 10 for calling a global function with example usage: cluster_sample8() without return types